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Microsoft Carbon Fee Playbook

This guide presents both Microsoft’s approach to building a simple carbon fee model and a five-step process to help you customize the model for maximum impact. It is designed for leaders who are
…

This guide presents both Microsoft’s approach to building a simple carbon fee model and a five-step process to help you customize the model for maximum impact. It is designed for leaders who are interested in learning what the voluntary organizational carbon fee is, why it might be helpful in your organization, and how to implement this simple model--whether the goals are to reduce costs, align with the organization’s code of ethics, help mitigate economic, social, and environmental risks from climate change, make a difference with citizenship projects, or drive innovation.

Transcript

2.
Contents
Foreword.............................................................................................................................. 3
Executive summary............................................................................................................ 4
The “what”: three critical components.......................................................................... 5
The “why”: benefits of the carbon fee model ............................................................. 8
Efficiency.................................................................................................................................................................................8
Responsibility........................................................................................................................................................................9
Leadership............................................................................................................................................................................10
The “how”: five steps to establishing an internal carbon fee ................................12
Step 1: Calculate your carbon impact .......................................................................................................................13
Step 2: Establish a carbon reduction policy and develop an investment strategy..................................16
Step 3: Determine your internal carbon price........................................................................................................23
Step 4. Gain approval and establish governance and feedback loops........................................................27
Step 5: Administer the fee, communicate results, and evolve to increase impact..................................29
Conclusion.........................................................................................................................34
The role of technology in accelerating the transition to a low-carbon economy..................................35
Our resources...................................................................................................................37
This guide presents both Microsoft’s approach to building a simple carbon fee model and a five-step
process to help you customize the model for maximum impact. It is designed for leaders who are
interested in learning what our voluntary organizational carbon fee is, why it might be helpful in your
organization, and how to implement this simple model—whether the goals are to reduce costs, align
with the organization’s code of ethics, help mitigate economic, social, and environmental risks from
climate change, make a difference with citizenship projects, or drive innovation. These leaders include:
CEOs, CFOs, and sustainability managers in the private sector
Public officials
Professors and students in areas such as environmental economics, environmental
finance, and environmental law
Members of non-governmental organizations (NGOs)
How to read this guide: People in different roles will likely want to focus on different sections of the
guide: the “what” and “why” sections introduce the concept to business leaders, whereas the “how”
section provides detailed guidance for those actually implementing the model.

3.
The Microsoft carbon fee: theory & practice | 3
Foreword
by Mindy S. Lubber, President, Ceres
When it comes to mitigating risks associated with sustainability issues, the importance of having
robust corporate policies that reflect a company’s sustainability priorities cannot be overstated.
Ceres works with companies across a wide range of industries to address environmental and social
issues in their core business practices. We see time and again that the companies that integrate their
sustainability goals across their entire business platform—rather than cloistering these strategies in
an isolated department—are the ones best positioned to capitalize on changing economic,
environmental, social and political conditions.
Microsoft’s carbon fee model is doing just that: making the costs and consequences of climate risks
and opportunities tangible to the broader company. For a company to choose to become carbon
neutral is not novel, but Microsoft is taking an additional step by detailing the way to get there with a
carbon fee. By disseminating the costs associated with its carbon neutral policy across the
organization (based on which divisions are actually responsible for the carbon emissions), Microsoft
has created a self-replenishing fund to subsidize green initiatives and offset any residual emissions.
Microsoft’s model is based purely on consumption—there’s nothing complicated to manage, no
credits to track or trade. This simplicity is what makes the model transferable. It can be adapted easily
to fit other corporations, nonprofit groups and government agencies. The basic formula is universal
(carbon emissions multiplied by carbon price equals carbon fee); it’s simply a matter of tweaking the
model to fit an organization’s structure, financial processes, and individual goals.
From my perspective, Microsoft’s approach has the potential to influence organizational policy
beyond the company’s own walls. It can have an impact on each of four key areas that determine
how sustainable a business is: governance, stakeholder engagement, disclosure and performance.
Ceres’ specific expectations of companies in these four areas are outlined in our The 21st
Century
Corporation: Ceres Roadmap for Sustainability.
In this paper, Microsoft provides the nuts and bolts of its own unique model, making the design,
goals and process transparent so you can assess its viability for your own organization. Kudos to
Microsoft for taking the lead here. I hope it helps you envision similar potential for your organization.
Mindy S. Lubber, President and CEO, Ceres
http://www.ceres.org

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4 | The Microsoft carbon fee: theory & practice
Executive summary
This guide presents what a carbon fee is, why to consider this model,
and how to implement it to achieve your organization’s objectives.
The carbon fee model that we implemented at Microsoft is a financial model that puts an
incremental fee on the carbon emissions associated with our company’s operations. There are three
primary components to our carbon fee model:
1) Organizational carbon reduction policy
2) Price on carbon
3) Carbon fee fund investment strategy
The price on carbon is determined by the total cost of the carbon fee fund investment strategy,
which is set to meet the organizational carbon reduction policy objectives.
Measuring carbon emissions can help align operational excellence across your organization: when
analyzed effectively, carbon emissions can provide an unprecedented view into your operations. With
the carbon fee model, Microsoft has taken steps to internalize the external cost of carbon pollution.
By making the cost of carbon
emissions felt across our
organization, we realize direct
operational benefits while
contributing to a global
transition to a low-carbon
economy. The model helps us
to drive culture change in
support of efficiency,
responsibility, and leadership.
We designed our model to be simple and repeatable. This guide presents a five-step process to help
you implement it within your organization:
1) Calculate your carbon impact
2) Establish a carbon reduction policy and develop an investment strategy
3) Determine your internal carbon price
4) Gain approval and establish governance and feedback loops
5) Administer the fee, communicate results, and evolve to increase impact
We hope this guide will provide you with the inspiration to take bold new steps for impact, as well as
some ideas for how to establish a successful carbon fee model in your organization.
Benefits of the carbon fee model to drive culture change

5.
The Microsoft carbon fee: theory & practice | 5
The “what”:
three critical components
A carbon fee internalizes the external cost of carbon pollution into the financial structure of an
organization. For example, at Microsoft, our internal cost for energy use includes not only the price
we pay the utility for that energy, but also the price we pay to offset the carbon emissions associated
with our energy use. For business air travel, our cost includes not only the price we pay the airline for
the airplane ticket, but also the price we pay to offset the carbon emissions associated with the flight.
The associated fee is charged to those groups responsible for the resource consumption. There is no
“grandfathering” (that is, a pre-specified level of “free” emissions) as you might get with a cap-and-
trade scheme. Business groups face an immediate cost for every unit of carbon they produce.1
In
other words, the carbon fee makes environmental impact a line item in the business group
managers’ budgets across our organization based on the levels of resource consumption associated
with generating carbon emissions. By doing so, the fee helps educate the business groups on carbon
emissions and elevate efficiency and innovation within our business. By using a model in which
groups are charged a fee based on their actual total usage (rather than putting a cap on usage or
applying the fee to usage exceeding a pre-determined level), we keep the model simple to
administer and make the cost of emissions overt.
1
“Carbon tax v cap-and-trade: which is better?”, The Guardian, January 2013,
http://www.theguardian.com/environment/2013/jan/31/carbon-tax-cap-and-
trade?guni=Article:in%20body%20link

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6 | The Microsoft carbon fee: theory & practice
The three primary components of our carbon fee model
1) Organizational carbon reduction policy. In July 2012, we made a pledge to make our
operations carbon neutral: to achieve net zero emissions for our data centers, software
development labs, offices, and employee business air travel by using technology to increase
efficiency and by investing in
internal efficiency initiatives and
green power, as well as carbon
offset projects for our unavoidable
carbon emissions. (To learn more
about our carbon neutral policy,
please see our white paper
“Becoming carbon neutral: how
Microsoft is striving to become
leaner, greener, and more
accountable.”) We drive
accountability for our carbon
neutral pledge through the
operational governance provided
by our carbon fee model, as well
as education and awareness
activities about the model.
2) Price on carbon. As part of our carbon neutral pledge, we set an annual internal carbon price,
which is determined by our total investment strategy to reduce and offset our carbon emissions.
Driving accountability for our carbon neutral policy

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The Microsoft carbon fee: theory & practice | 7
We use this price—which reflects true cost economics for carbon—to calculate a carbon fee that
allocates the cost of reducing and offsetting the carbon emissions from our data centers,
software development labs, offices, and business air travel to the business groups responsible for
consuming the resources. We determine the cost of the carbon fee by multiplying our inventory
of carbon emissions by our internal carbon price per metric ton of carbon dioxide equivalent
(mtCO2e). This carbon fee model is administered through our Environmental Sustainability team
in partnership with the Corporate Finance department; in fiscal year 2013, we allocated the fee to
14 divisions in more than 100 countries.
3) Carbon fee fund investment strategy.
The fees that we collect through the carbon fee model go into a central fund used to subsidize
investments that enable Microsoft to reduce emissions and be net carbon neutral.
Our carbon fee model

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8 | The Microsoft carbon fee: theory & practice
The “why”:
benefits of the carbon fee model
There are many reasons that your organization might consider implementing an internal carbon fee:
the primary benefits include the opportunity drive efficiency and demonstrate responsibility and
leadership. Whatever your motivators are, it is critical to align with your organization’s existing goals
and objectives.
Efficiency
A carbon fee can help drive behavior change
to increase efficiency and reduce an
organization’s costs and carbon footprint.
Quantifying carbon provides a standard
measure—or a “level playing field”—across
otherwise disparate groups to drive
operational excellence. By measuring carbon
emission rates (in metric tons of carbon
dioxide equivalent, or mtCO2e), teams can
then analyze the data to determine ways to
be more efficient. Carbon is the unifying
metric across emission-producing activities
such as the use of energy in offices, data
centers, and laboratories; business air travel; and employee commuting. It can even go beyond
organizational boundaries and extend to external governance of suppliers and customers. It provides
a unified view into consumption data from a wide variety of resources, such as electricity, natural gas,
jet fuel, and gasoline, and aligns them with other costs, such as travel expenses.
At Microsoft, our carbon fee model is the vehicle through which we raise funds to support our
carbon neutral policy. We use the model to create a central fund for internal efficiency, green power,
and carbon offset projects and to provide the financial justification for investments in internal
efficiency initiatives going forward.
“A carbon fee model is an excellent way to
provide both the financial framework and
the formal discipline to drive efficiency
projects. By applying a financial cost to
the carbon impact of operational
practices, it provides justification to
prioritize efficiency—and therefore cost
reductions—across the organization.”
– Lee Mills, Sr. Finance Manager,
Microsoft Corporation
Is your organization interested in cost cutting?
Is reducing environmental impact a priority for your organization?
Is your organization looking for an opportunity to innovate to make a difference?

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The Microsoft carbon fee: theory & practice | 9
Responsibility
The carbon fee model drives responsible business decisions that help mitigate potential risks
associated with an organization’s environmental footprint. For example, for Microsoft, the fee helps
us address risks related to the rising costs of energy.
The fee can also help align an organization’s business activities with its code of ethics. While the fee
makes good business sense, it also makes good “people” sense: for many of our employees, partners,
customers, and investors, environmental considerations are important values. To be successful in the
long run, our carbon fee model needs to take
into account both economic and social
motivators.2
At Microsoft, one of our aims
with the model was to drive culture change by
raising internal awareness of the
environmental implications of our business
and establish a discipline at scale across the
organization, guiding the energy and travel
choices made both at corporate headquarters
and through local subsidiaries. By making our
carbon fee model organization-wide, we
brought environmental considerations into
business planning.
There is also increasing external pressure for organizations (including Microsoft) to demonstrate
responsibility by accounting for, reporting on, and reducing their carbon footprint. For example:
Some organizations now need to comply with emissions mandates from governmental
bodies around the world, including Australia, British Columbia (Canada), the United States
(the US Environmental Protection Agency [EPA] greenhouse gas reporting program, plus
regulations specific to California), Ireland, Japan, the United Kingdom (the Carbon Reduction
Commitment [CRC] Energy Scheme, plus mandates for the London Stock Exchange), and the
2
Simone Pulver, “Making sense of corporate environmentalism,” Organization & Environment 20 (1),
March 2007, http://oae.sagepub.com/content/20/1/44.abstract
“In addition to the money raised and invested, a
carbon fee advances the deployment of energy
efficiency and green power by making these more
cost-competitive with cheaper conventional energy
sources. Specifically, the carbon fee provides a
predictable cost to business decisions that enable
‘additional’ investment in green power and
increased energy efficiency based on that
knowledge.”
– Dan Sobrinski P.E., WSP

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10 | The Microsoft carbon fee: theory & practice
European Union. These mandates range from increased reporting requirements to charges
and limits on carbon emissions.
Beyond public policy, marketplaces globally are also driving the adoption of voluntary
organizational environmental policies and carbon reporting. One example is how the
NASDAQ OMX Group Inc. and other exchanges affiliated with the Sustainable Stock
Exchanges (SSE) are encouraging companies to measure and report on their energy use,
carbon emissions, and other environmental, social, and corporate governance (ESG) data and
goals.3
Furthermore, CDP—an independent not-for-profit organization that publishes annual
reports on organizational responses to climate change—has more than 722 investor
signatories (institutional investors that support CDP and have full access to company
responses), representing more than US$87 trillion in assets.4
Leadership
While we believe we have a responsibility
to minimize our company’s impact on the
environment, we also have an opportunity
to contribute to the greater good. A
carbon fee model helps provide
leadership in mitigating climate change. It
can help drive innovation in the products
and services that an organization
develops. Furthermore, the carbon fee
model (with the subsequent investment of
the carbon fee funds) demonstrates how
environmental considerations can be
integrated into financial frameworks to
3
“Nasdaq joins four exchanges in sustainability effort,” Bloomberg, June 19, 2012,
http://www.bloomberg.com/news/2012-06-19/nasdaq-joins-four-exchanges-in-sustainability-
effort.html
4
“CDP investor initiatives,” Carbon Disclosure Project (CDP), November 2013,
https://www.cdproject.net/en-US/WhatWeDo/Pages/investors.aspx
“Microsoft’s carbon fee is an important expression of
Microsoft’s commitment to corporate citizenship and
working responsibly within our own business. We
appreciate the positive reception it’s received from
many of our stakeholders and colleagues in the field
of corporate responsibility and hope that sharing our
experience can help others adopt similar strategies in
ways that work for their business.”
– Steve Lippman, Director, Corporate Citizenship,
Microsoft Corporation

11.
The Microsoft carbon fee: theory & practice | 11
evolve how carbon markets function.5
The model can ultimately support the development of a low-
carbon economy, jobs, education, healthcare, and other societal challenges.
At Microsoft, one of our goals with our carbon fee model was to demonstrate how internal
organizational policy can help mitigate carbon impact. The carbon fee sets a foundation for thinking
differently about our business activities. The fund that it produces enables us to invest in citizenship
projects such as sustainable fuel supplies, agricultural training, and ecosystem protection. We are
also working to deliver devices and
services that accelerate the
development of a low-carbon
economy, such as using data
management to drive energy
efficiency (in buildings and data
centers), developing mobile phone
applications that bring carbon
calculations to remote corners of the
world, and balancing energy
consumption loads with times when
green power is plentiful.
5
Simone Pulver, “Making sense of corporate environmentalism,” Organization & Environment 20 (1),
March 2007, http://oae.sagepub.com/content/20/1/44.abstract
“With its carbon fee, Microsoft is among the
companies taking leadership in addressing climate-
change related risks and opportunities. This carbon
fee guide is an instrumental tool to help climate
change officers globally drive the necessary innovative
change to take similar steps in their organizations.”
– Dan Kreeger, Executive Director,
Association of Climate Change Officers (ACCO)

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The Microsoft carbon fee: theory & practice | 13
Step 1: Calculate your carbon impact
1A. Compete a carbon emissions inventory
A carbon emissions inventory is a prerequisite to
establishing a carbon reduction policy and
implementing a carbon fee model. It is a calculation of
the carbon impact of your business activities, providing a
benchmark on which to base reduction targets and a
necessary input for the carbon fee model.
A foundational building block of a carbon emissions inventory is the development and ongoing
maintenance of an inventory management plan (IMP). The purpose of an IMP is to “institutionalize a
process for collecting, calculating, and maintaining” carbon data, typically in seven major sections:6
Organization information: organization name, address, and inventory contact information
Boundary conditions: organizational and operational boundary descriptions
Emissions quantification: quantification methodologies and emission factors
Data management: data sources, collection process, and quality assurance
Base year: base year adjustments for structural and methodology changes
Management tools: roles and responsibilities, training, and file maintenance
Auditing and verification: auditing, management review, and corrective action
Carbon emissions from operations are measured in metric tons of carbon dioxide equivalent
(mtCO2e); to quantify carbon emissions, multiply the organizational activities and use of resources—
such as electricity consumption in kilowatt-hours (kWh) or commercial air travel in passenger-miles
by class of travel—by appropriate emission factors.7
6
“GHG inventory,” US EPA, October 8, 2013,
http://www.epa.gov/climateleadership/inventory/index.html (also includes several IMP resources)
7
Online listings of up-to-date emission factors are available from the GHG Protocol (Emission Factors
from Cross-Sector Tools, http://www.ghgprotocol.org/calculation-tools/all-tools) and the US EPA
(GHG Emission Factors Hub, http://www.epa.gov/climateleadership/inventory/ghg-emissions.html).
NOTE: For simplicity, throughout this
guide we refer to “carbon emissions,”
a common name that means all
greenhouse gas (GHG) emissions.

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14 | The Microsoft carbon fee: theory & practice
You need to have a reliable, accurate inventory of carbon emissions from across your organization to
build a successful carbon fee model. There are many technical resources to help organizations
quantify and report carbon emissions. For additional guidance on putting together an emissions
inventory and best practices, please see the GHG Protocol (http://www.ghgprotocol.org) website.
Third-party verification of your inventory helps ensure accuracy and maintain credibility.
Considerations
What activities (current and future) with associated carbon emissions will you track
and manage with your carbon emissions inventory? Put another way, what types of
emissions will you inventory? As defined by the GHG Protocol, the operational boundaries of
a carbon emissions inventory are broken down into three “scopes” (both direct and indirect)
of emissions data, each further broken down into distinct emission sources:
o Scope 1. Emissions that your organization produces directly (such as through the use of
carbon-based fuels).
o Scope 2. Emissions that your organization incurs indirectly through the purchase of
electricity, heat, or steam.
o Scope 3. Emissions that your organization incurs indirectly beyond Scope 2 emissions
(for example, emissions related to your supply chain, waste disposal, business travel, and
employee commuting).
How will you set the organizational boundary for your carbon emissions inventory?
Another key component of a carbon emissions inventory is the organizational boundary: the
areas of the business from which you will consolidate and account for the carbon emissions.
When setting an organizational boundary, organizations typically select one of three
approaches (and then consistently apply the selected approach):
o Equity share. Accounts for carbon emissions from operations proportional to the share
of equity in the operation.
o Financial control. Accounts for 100 percent of carbon emissions if the organization has
the ability to direct the financial and operating policies of the operation with a view to
gaining economic benefits from its activities.
o Operational control. Accounts for 100 percent of carbon emissions if the organization
has the full authority to introduce and implement its operating policies at the operation.

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The Microsoft carbon fee: theory & practice | 15
Sample calculations
Scope 1 natural gas emissions
Carbon emissions (Scope 1)
associated with natural gas
combustion for a specified time
period (mtCO2e)
= Natural gas
consumption
at each location for the
specified time period (kWh)
× Natural gas
emission factor
(mtCO2e/kWh)
Scope 2 electricity emissions
Carbon emissions (Scope 2)
associated with electricity
consumption for a specified time
period (mtCO2e)
= Electricity consumption
at each location for the
specified time period (kWh)
× Electricity emission factor
associated with the location
and relevant time period
(mtCO2e/kWh)
Scope 3 business air travel emissions
Carbon emissions (Scope 3)
associated with commercial air
travel for a specified time period
(mtCO2e)
= Passenger-miles
traveled on
commercial air flights
(passenger-miles)
× Commercial air travel
emission factor
associated with the flight
distances and cabin class
(mtCO2e/passenger-mile)
1B. Improve transparency using emission- and energy-tracking software
Technology plays a vital role in improving visibility into emission levels. Ideally, you will have meters
and emission- and energy-tracking software that provide insight at a granular level (for example, at
both a building and a group level) and that are available throughout the organization, so that each
group can track its carbon emissions and measure the impact of any efficiency initiatives that it
implements. If the level of granularity is not consistent across the organization, it is possible to
bridge some gaps by applying algorithms. Access to up-to-date data makes it easier to integrate
environmental footprint management into the rhythm of the business, including regular business
reviews across the organization. It also provides greater transparency to the executives and business
leaders responsible for making business decisions that will have an impact on the environment.
Considerations
What technology will you use to monitor and report on your emissions inventory? A
cloud-based emissions inventory solution (such as one based on the Windows Azure cloud
platform) is ideal for providing up-to-date access to data across the organization.

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16 | The Microsoft carbon fee: theory & practice
How will you help people across your organization to understand what contributes to
emissions? By empowering groups across your organization to visualize emission levels
through effective dashboards, you can support and even encourage local efficiency
initiatives. With training on how to use the technology, groups will be able to better
understand the data and therefore their local impact on carbon emission levels.
Microsoft example: In early 2012, Microsoft selected a cloud-based emissions inventory solution,
based on Microsoft platform technology, to manage our emissions data. This data management
solution holds emissions data from more than 600 facilities across more than 100 countries and
provides distributed visibility into our emissions inventory.
Step 2: Establish a carbon reduction policy and develop an
investment strategy
2A. Identify your accountable stakeholders
The success of your model will depend on gaining the cooperation and buy-in of key stakeholders.
Who are the people responsible for consuming the resources that emit carbon? Which groups’
behavior do you need to change? These are the groups to focus on and get feedback and buy-in
from from the start. You will need to have enough of the right people engaged to form a carbon
reduction policy with visibility across the organization.
Considerations
Who will be involved in initial design? Who is best qualified to be the chief architect? The
ideal candidate is the person with the broadest view and influence across the organization
and who will be able to serve in the role long term. Should there be a core committee?
Consider members of your sustainability team and representatives of those groups
responsible for consuming the resources that the carbon fee will be based on. You may also
consider including consultants to bring in expertise not fully represented internally. Consider
having sufficient breadth to provide the necessary sustainability expertise plus familiarity
with your organization, while keeping the core group efficient. Outside your core team, it
may be valuable to consult with external groups—such as environmental organizations,
government agencies, and industry associations—for their feedback and input on your plans.
Who will you want to approve the model for it to be successful? At a minimum, the
model will need the approval and participation of the finance officer of the organization.
Including leaders from the organizational divisions that have some level of responsibility for
and control over emissions in the approval process will help ensure the longevity of the
model. Seeing the carbon fee in their profit & loss statements (P&Ls) will help give these
business leaders the motivation to make changes to reduce costs and carbon emission levels.

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The Microsoft carbon fee: theory & practice | 17
Microsoft example: An important part of our approach at Microsoft was to identify the groups
responsible for the consumption. Once they were identified, we then incorporated feedback from
these key groups and the Office of the CFO into our carbon reduction strategy. Rather than having
the carbon fee authorized solely by our CFO, we opted to gain support for the model from
stakeholders across the organization, with the rationale that the more people invested in the
model, the greater the organizational commitment to it in the long run.
We also regularly connect with external stakeholders and organizations that influence our
approach. When setting our carbon neutral policy and designing our carbon fee model, we
solicited and incorporated feedback from our customers and a variety of experts in the
environmental sustainability field. We also maintain ongoing relationships and dialog with a
number of non-governmental organizations (NGOs), such as CDP, Coalition for Environmentally
Responsible Economies (Ceres), the Environmental Defense Fund (EDF), Greenpeace, the Natural
Resources Defense Council (NRDC), the US Environmental Protection Agency (EPA), the World
Resources Institute (WRI), and the World Wildlife Fund (WWF).
Microsoft’s environmental sustainability footprint stakeholders: internal and external
2B. Establish an internal carbon reduction policy
A carbon reduction policy outlines what commitment the organization is making to reduce carbon
(such as pledging carbon neutrality). Most organizations will establish one or more internal carbon

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18 | The Microsoft carbon fee: theory & practice
reduction targets in support of their carbon reduction policy. Defined carbon reduction targets will
typically be a precursor to (and even a motivator for) a carbon fee model. Carbon reduction targets
help ensure that the design and administration of your carbon fee align with organizational goals
and provide a standard on which decisions regarding the carbon fee can be based.
To learn more about the value of policy in reducing environmental impact, please see our white
paper “Corporate policies for carbon impact: how Microsoft uses corporate environmental policy to
increase accountability.”
Considerations
What will the scope of your carbon reduction policy be? Will your organization be carbon
neutral? If so, will it apply universally across the organization or be specific to certain groups
or certain areas? How you define your carbon reduction policy will directly influence how you
set your carbon fee emissions boundary (see step 2C below), so it is important to be clear
about the scope at the outset.
Do you have any specific carbon reduction targets? A carbon reduction target may be an
absolute target (to reduce emissions by a specified amount within a specified timeframe) or
an intensity target (for example, to reduce emissions per unit of revenue relative to a base
year). Carbon reduction targets are particularly valuable if you plan to use your carbon fee to
fund efficiency initiatives, as they provide a basis to guide investments in those initiatives.
What are some immediate cost and carbon emission reductions that you can achieve to
demonstrate success and generate momentum? Consider setting annual targets that reflect
your strategy with the carbon fee model; for example, initially you may want to raise
awareness of the carbon impact of certain activities to drive behavior change and then, once
the model is well established, begin to introduce increasingly aggressive targets to reduce
gross emissions. As you set out your carbon reduction targets, consider what is practical for
your organization in the short term but plan ahead for what is attainable in the long term; for
example, if you feel that carbon neutrality is possible ultimately but not today, what is your
roadmap to getting to carbon neutrality?

19.
The Microsoft carbon fee: theory & practice | 19
Sample calculations
Net emissions
Net carbon emissions
(mtCO2e)
= Gross carbon emissions
(mtCO2e)
– Reductions
external to the inventory
organizational boundary,
including qualifying green power
purchases and carbon offsets
Notes:
Gross emissions refer to an organization’s emissions before accounting for external reductions
associated with carbon offsets and green power purchases.
Net emissions refer to an organization’s emissions after accounting for external reductions
associated with carbon offsets and green power purchases.
Microsoft example: Microsoft has established a corporate carbon neutral policy, meaning that we
reduce our net emissions by 100 percent through investments in internal efficiency, green power,
and carbon offset projects. Our subsidiaries are also establishing individual reduction targets.
2C. Define your carbon fee emissions boundary and allocation structure
Which operational areas will be your focus for reducing carbon emissions? An emissions boundary is
either all or a subset of your emissions inventory; for example, you may choose to focus on a specific
division, type of emission, or product line. By defining your carbon fee emissions boundary in
alignment with existing organizational boundaries or groups, you will help simplify administration of
the fee and minimize resistance from internal audiences (because the fee structure will already be
familiar to them).
Considerations
Which specific emissions sources (Scope 1, Scope 2, Scope 3) captured by your
emissions boundary will be covered by your carbon fee? For instance, a company in the
information technology sector may choose to focus on Scope 1 and Scope 2 emissions from
their offices and data centers (as Microsoft has done). A consumer packaged goods company
may choose to include the Scope 3 ground transportation category given their high
dependence on the distribution of goods.
Will your carbon fee cover your entire organization or will you choose to focus (at least
initially) on a specific group or area? When you first implement your carbon fee, you may
want to start with a small pilot group, with the intention to expand over time. For example,
you could set your initial boundary as the energy consumption for your business offices.

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20 | The Microsoft carbon fee: theory & practice
Microsoft example: At Microsoft, our carbon fee emissions boundary includes Scope 1 and
Scope 2 emissions (primarily energy use) from our data centers, offices, and software development
labs and Scope 3 emissions from business air travel.
In fiscal year 2013, we allocated emissions from these sources to the 14 business groups across our
organization (for more information on this, please see step 3B). The following equation is an
example of how we allocate emissions from our offices:
Allocation of office Scope 2 electricity emissions to business groups
Business group
carbon emissions
(Scope 2)
associated with electricity
consumption for a
specified time period
(mtCO2e)
= Carbon emissions
(Scope 2)
associated with
electricity consumption
for a specified time
period (mtCO2e)
× Business group
allocation percentage
associated with the office
location based on the ratio
of the business group’s
employee count
2D.Develop your carbon fee fund investment strategy
How will you invest the funds collected from the carbon fee? Your carbon fee fund investment
strategy will form the basis for your environmental initiatives portfolio. This will be the selection of
investments that you plan to make using the carbon fee fund to meet your carbon reduction targets.
Your strategy will guide selection decisions by prioritizing criteria that will have an impact on the cost
of your investments and therefore on your internal carbon price.
Typical components of a carbon fee fund investment strategy include:
Internal initiatives. If you plan to reduce your gross emissions, then you will likely invest in
internal efficiency and onsite green power initiatives to achieve these reductions. Initiatives
could include, for example, implementing collaboration technology to reduce air travel;
addressing energy efficiency within buildings using technology that identifies opportunities
to reduce plug load, repair blowers, and replace lighting; deploying rooftop solar
photovoltaic systems; and reducing energy consumption from your technology (such as with
cloud computing).
Green power purchases. Green power purchases are used to offset the emissions
associated with electricity consumption. Much like a Certificate of Deposit represents proof
that you have money on deposit in a bank, a qualifying green power certificate represents
proof that green power was produced and placed on the power grid. The owner of the green
power certificate has the right to claim that renewable generation and all associated
attributes. In the United States, the primary vehicle used for green power purchases is a

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The Microsoft carbon fee: theory & practice | 21
renewable energy certificate (REC). When you purchase a REC, you effectively purchase the
“environmental, social, and other nonpower attributes of renewable electricity generation”8
without actually purchasing the underlying power.9
RECs in the United States can be
obtained either from the market or through a long-term power purchase agreement (PPA)
from a specific green power project. Outside of the United States, green power generation
can be supported through carbon offsets, described below. Some common and important
features that you may want to consider when making a US-based green power purchase
include:10
o Eligibility refers to whether a REC meets minimum standards for quality and
availability.11
Generally accepted eligible resources include solar photovoltaic, wind,
geothermal, hydropower (certified by the Low Impact Hydro Institute or certain other
hydropower resources), and eligible biomass.
o Vintage refers to the year that the green power is generated. Carbon accounting
specifies that the green power purchases be generated in the reporting inventory year
that the green power will be credited.
o Additionality is based on a performance threshold where the level of performance is
assessed to be significantly better than average compared with recently undertaken
practices or activities in a relevant geographic area.
8
Renewable energy certificates (RECs), US EPA, October 2, 2013,
http://www.epa.gov/greenpower/gpmarket/rec.htm
9
Thirty states require utilities to buy a certain percentage of their power from renewable energy.
RECs are used to demonstrate that these legal obligations have been met. RECs are also available for
organizations to purchase on a voluntary basis, and thousands of businesses and households
purchase billions of kWh annually. RECs are recognized by the US EPA Green Power partnership
(http://www.epa.gov/grnpower) as a valid way to support renewable energy, and the vast majority of
members of the partnership purchase RECs.
10
The GHG Protocol is currently in the final stages of publishing guidance for green power purchases
and Scope 2 emissions accounting. The US EPA has published guidance
(http://www.epa.gov/climateleadership/documents/greenpower_guidance.pdf) that outlines several
key contractual requirements.
11
Eligible purchases cannot be included in an undifferentiated power product (for example, standard
electricity service or utility system mix); should include a contractual attestation ensuring no double
sale of the avoided carbon emissions claim; and cannot be resold and are, in effect, retired once a
claim is made based on the purchase. Ineligible purchases include those from US facilities that have
been mandated by a US local, state or federal government agency; mandated specifically by a US
renewable portfolio standard (RPS); or required under any other legal agreement.

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22 | The Microsoft carbon fee: theory & practice
Carbon offsets. A carbon offset is a credit for negating the impact of emitting a ton of
carbon dioxide by financing a project that absorbs or avoids the release of carbon emissions
elsewhere. Among the reasons for buying carbon offsets is the original intention of the
Kyoto protocol: for developed nations to invest funds in ways that help emerging nations to
accelerate sustainable development in a low-carbon economy. Carbon offsets not only create
a market for reducing carbon but also provide a new way for social, economic, and
environmental progress to occur in harmony. For example, projects that finance the planting
and preservation of trees also support the creation of jobs, which in turn supports education
and healthcare. Credible carbon offsets have several common features:
o Certification regime is the organizational body used to certify and register carbon
offsets. In the voluntary non-compliance markets, a variety of industry standards exist
including the Voluntary Carbon Standard (VCS) and the CDM Gold Standard.
o Vintage is the year in which the carbon reduction takes place.
o Source is the technology or program type. Examples include green power, biomass,
industrial energy efficiency, and methane destruction.
Consideration
How will you allocate your carbon fee fund? For example, what percentage will be put to
energy efficiency and onsite green power initiatives? To US green power purchases and
global carbon offset project investments? Other investments? These decisions in general will
reflect the location and type of emissions that you are trying to avoid or offset (such as
electricity or air miles) and your overall reduction policy.
Microsoft example: To meet our carbon neutral policy, we are working to reduce our gross
emissions through internal efficiency initiatives and the use of green power. To offset the
remaining carbon emissions from operations, we use the funds collected through our carbon fee
model to purchase carbon offsets to produce a net-zero carbon footprint.
For the purchase of green power, we prioritize three things:
Credibility—Is the project well managed and funded?
Verifiability—Does the project offer certified and independent verification for
claims and retirement? For example, does a green power project conform to the
GHG Protocol Power Accounting Guidelines?
Additionality—Will the project lead to net-new emissions reductions?
Microsoft is also being proactive in investing in carbon offset projects, supporting both carbon
reduction and sustainable economies through more than 20 credible projects in geographies such
as Brazil, Cambodia, Ghana, Guatemala, India, Indonesia, Kenya, Madagascar, Mexico, Peru, and

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The Microsoft carbon fee: theory & practice | 23
Turkey. To learn more about how Microsoft prioritizes investments in carbon offset projects,
please see the Microsoft Green blog post “Microsoft's carbon offset strategy: making a difference
one project at a time.”
Step 3: Determine your internal carbon price
3A. Set your carbon price
How you plan to use the funds collected through your carbon fee will determine what your carbon
price should be. In simple terms, you can calculate your carbon price by dividing the total cost of
your environmental initiatives portfolio (see step 2D above) by the emissions within your carbon fee
emissions boundary. In reality, many organizations will develop two (or more) internal prices on
carbon: one to reflect the price of green power to avoid emissions associated with electricity usage
and the other to reflect the cost to invest in carbon offset projects to offset remaining unavoidable
emissions. The total cost also includes investments in internal efficiency initiatives and other elements
included in your investment strategy.
Consideration
How much money will you set aside for additional investments? How much you set aside
must be balanced by the need initially to (1) focus on education and building awareness by
starting simply and (2) keep the carbon price low so as not to shock the system. This is a
long-term strategy, and the investments can increase—with a corresponding increase in the
carbon price (and therefore fee)—over time as the benefits of the program are better
understood within your organization.

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24 | The Microsoft carbon fee: theory & practice
Sample calculations
Cost of environmental initiatives portfolio
Cost of
environmental
initiatives portfolio
($)
= Cost of internal
initiatives
($)
+ Cost of
green power
purchases
($)
+ Cost of
carbon
offsets
($)
Notes:
The cost of internal initiatives is the total cost required to drive XX emissions and $ reduction.
The cost of green power purchases is calculated as follows:
Total emissions (step 1A) ÷ carbon emission factor of the green power ×
price per green power unit
The cost of carbon offsets is calculated as follows:
Total emissions (step 1A) ÷ # of carbon offsets × price per carbon offset
Internal carbon price
Internal carbon price
(per mtCO2e)
= Cost of environmental
initiatives portfolio
($; from above)
÷ Total emissions
(mtCO2e; from step 1A)
3B. Calculate projected costs by group
By allocating the carbon fee to the groups that consume the resources (and are therefore responsible
for the emissions), you can help drive education, awareness, and accountability. You can determine
each group’s carbon fee liability using your emissions inventory. The allocation may be a
combination of precise direct costs and general costs that are apportioned to each group based on
key attributes, such as headcount.
Considerations
At what level of the organization will you allocate the carbon fee? The ideal level at
which to allocate the fee is a balance between ensuring that the groups responsible for the
carbon emissions feel the financial impact of the fee (thereby making climate change a
consideration in business decisions) and keeping the administrative burden manageable.
Are there any existing chargeback systems that you can take advantage of within your
organization? Ideally, you will be able to work with the finance team within your

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The Microsoft carbon fee: theory & practice | 25
organization to identify and take advantage of existing chargeback models (rather than
creating new ones) to make the process of charging the carbon fee as simple as possible.
Are the projected costs reasonable? This step provides an opportunity to assess whether
your business can realistically finance your carbon fee fund investment strategy. Can each
group’s P&L support the projected carbon fee that it will be charged? To provide examples
for discussions across the organization, you may want to calculate projected costs over time
per group for 1–20 years. The primary growth drivers will be consumption levels and the cost
of carbon. We recommend taking a conservative view of projected future emission levels, as
even with a conservative approach the results may be surprising to many.
Sample calculations
Building energy consumption Air travel
Emissions
(mtCO2e)
Carbon price
($/mtCO2e)
Carbon fee
($)
Emissions
(mtCO2e)
Carbon price
($/mtCO2e)
Carbon fee
($)
Group 1
Group 2
Group 3
Etc.
Projected carbon emissions over time (mtCO2e)
2013 2014 2015 2016 2017 2018 2019 2020
Group 1
Group 2
Group 3
Etc.
Projected carbon price over time ($/mtCO2e)
2013 2014 2015 2016 2017 2018 2019 2020
Electricity
emissions
Business air
travel emissions
Etc.

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The Microsoft carbon fee: theory & practice | 27
Step 4. Gain approval and establish governance and
feedback loops
4A. Gain approval for your model
Once the design is complete, the key to gaining the
approval of leadership is both to have the support of
key stakeholders from the parts of the organization
where the carbon fee will have the most impact (as
previously discussed in step 2A) and to demonstrate
the value that a carbon fee will offer your
organization.
Considerations
When should you socialize the carbon fee model with leaders across your company?
Your company’s fiscal cycle is likely a controlling point on when you can implement the fee.
Ideally, you will have approval for the model before budgets are set for the upcoming fiscal
year. By preparing a work-back schedule for designing and implementing the model, you can
determine the appropriate amount of time required before the start of the fiscal year to gain
approval. If you have a regularly scheduled business review with leadership about your
sustainability strategy and results around that time, this may be the ideal time to present the
carbon fee model.
How should you gain buy-in from stakeholders for the carbon fee model? The key to
selling the carbon fee model concept is to show how it supports your organization’s
priorities as well as the priorities of each stakeholder that you are talking with. Using
messaging tailored to their focus areas and responsibilities will help them see the carbon fee
as a solution rather than just a new cost. We also recommend including examples of the
projected cost impact to groups over time (based on step 3B) and the percentage it
represents of the group’s overall operational costs. Highlight the potential of the model to
help both quantitative and qualitative elements:
o Mitigate risks to revenue and margin by driving efficiency, reducing costs, establishing
leadership, improving competitive positioning, and enhancing your brand.
o Support citizenship commitments by investing in a sustainable economy, job creation,
youth, and education and mitigating societal challenges.
What materials should you develop to help you gain approval? How are other big
initiatives sold within your organization? Look for best practices from other successful
projects. These may include a short presentation, document, video, or site that highlights
essential information such as how the carbon fee aligns with your organization’s priorities,
“The key success factor in the
adoption of a carbon fee model across
a company is to tailor the messaging
and value proposition around relevant
business metrics.”
– Ken Machtley, Murdoch Services

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28 | The Microsoft carbon fee: theory & practice
who has been involved, and a high-level view of how the model will work. Ideally your
materials should be easy for the stakeholders to share with others, so they can socialize the
idea within their department or division.
4B. Establish an internal cross-organizational committee to provide ongoing input
and guidance
A cross-organizational committee chartered with governance across the organization can help
ensure that you maximize impact over time. This governance committee is important for ongoing
approval of the carbon fee fund investment strategy, general input and feedback, and keeping
leaders from across the organization aware of successes and challenges for ongoing support.
Considerations
Which key leaders should participate in a cross-organizational committee to support
progress with the carbon fee and carbon reduction policy? Members of the committee
should represent your key organizational units, including finance, and others affected by the
carbon fee. It is also important to include members from the groups that can support
expanded efforts to drive carbon reduction, such as efficiency initiatives and investments in
green power and carbon offset projects.
How often should the cross-organizational committee meet? One approach is to have a
monthly “task force” meeting to review progress with carbon reduction efforts and potential
investment opportunities. For each task force member, an executive sponsor could
participate in a bi-annual “steering committee” meeting to have cross-organizational
discussions around the progress of the efforts.
Microsoft example: At Microsoft, we set up a cross-organizational Carbon
Neutral Council, which provides support on an ongoing basis for how to
reduce carbon emissions and best use the funds to meet organizational
priorities. This council has a task force that meets monthly to discuss progress,
celebrate wins, and brainstorm solutions along with a steering committee that
meets periodically for updates. Through this council, significant cross-company collaboration and
brainstorming have not only increased awareness of our carbon neutral policy but also generated
new internal efficiency and green power projects.

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The Microsoft carbon fee: theory & practice | 29
Step 5: Administer the fee, communicate results, and evolve
to increase impact
5A. Allocate the carbon fee
When you allocate the fee, you will need to determine the appropriate cycle to charge the
organizational divisions for the projected emissions. If you were able to identify an existing
chargeback model to use in conjunction with the finance team during step 3B, then the actual
process of allocating the carbon fee should be relatively straightforward. For maximum transparency,
include the carbon fee charge as an extra line item on each group’s P&L and include the projected
amount in the budget targeting process.
Consideration
Will you charge the carbon fee during the year that the emissions and carbon costs are
incurred or one year in arrears? If you charge the fee one year in arrears, you can base the
charges on the actual costs incurred. If you charge the fee in the year that the emissions and
costs are incurred, you will need to base the charges partially on projections and may require
true-ups after the close of the fiscal year. One advantage of the latter approach, however, is
that you gain a real-time cost driver for business decision making.
Microsoft example: At Microsoft, we charge organizational divisions their carbon fee quarterly;
these divisions must then pay their allotted fee from their own budgets through an internal
transfer into the Carbon Neutral Fee fund, which is used to invest in green initiatives. The fee that
each group is charged at the end of each quarter reflects projected emissions based on historical
performance and projected growth rates from the primary consumers.
5B. True up to actuals
Having a monthly or quarterly status update to true up actual emissions and costs with the
projections being used as the basis for the carbon fee charges provides a mid-year opportunity to
make calibrations where necessary to ensure that the internal organizational carbon reduction policy
is met.
Consideration
Will you need to true up the carbon fees after the close of the fiscal year? As discussed
in step 5A, if you allocate the carbon fee in the same year that the emissions and costs are
incurred, then you will need to base the charges partly on projections. In most organizations,
final emissions and carbon cost information—necessary to complete the true-up of
projections to final—will not be available until at least three months following the close of
the fiscal year.

30.
30 | The Microsoft carbon fee: theory & practice
Microsoft example: At Microsoft, we true up the carbon fee costs with the actual costs after the
close of the fiscal year. The true-ups are based on actual verified emissions and carbon reduction
costs.
5C. Communicate progress internally
By communicating your progress with the carbon fee and investments internally, you can make sure
your stakeholders know that the money they are putting in is having an impact. You can also help
keep your goals for the carbon fee—whether to reduce costs or meet citizenship commitments—top
of mind. Providing visibility into emissions data and performance can provide
the incentive needed to drive internal initiatives and more responsible decision making.
Consideration
Will you publish regular updates on your organization’s emissions performance and
sustainability investments? At a minimum, whoever is leading the carbon fee process
should communicate back to stakeholders to show the value that the program is providing
to the company. For broader impact, you could also share updates with your employees at
large. You may even want to extend this communication out to your supply chain partners,
particularly if this will have some influence on operational decisions. If you have an existing
communications rhythm around your sustainability activities, you may wish to include
updates related to the carbon fee. You will probably want to share updates annually, and
preferably quarterly if your goal is to drive behavior change (such as reducing energy use or
air travel).
Microsoft example: We manage our emissions inventory using a solution for energy and carbon
management built on the Microsoft cloud platform. The solution enables groups from across the
company to view emissions data based on group-specific access parameters; on initial rollout, we
restricted each group’s view to data that was immediately actionable by them. For example, our
data center team has a global view of data center emissions data, whereas our subsidiary facilities
teams can access data for facilities in their specific geographical region. By giving them access to
just the data that is relevant to their part of the organization (and not the broader organization),
we help eliminate distractions and keep the groups focused on opportunities to drive emissions-
reducing initiatives within their areas.
Our chief environmental strategist also sends a periodic email update to all employees detailing
our sustainability accomplishments (such as emissions performance, carbon fee fund investments,
and internal initiatives).
5D.Report on your emissions performance externally
Whether or not the impact on external perceptions of your company was a motivating factor in your
decision to implement a carbon fee, there will be several opportunities for you to highlight your
strategy and achievements. These range from formal reporting systems—including third-party

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The Microsoft carbon fee: theory & practice | 31
surveys—to marketing and public relations (PR) activities. Participating in performance surveys (for
example, CDP, Newsweek ratings, and the Dow Jones Sustainability Index [DJSI]), publishing white
papers and press releases, and undertaking speaking engagements can help your organization
communicate your efforts to be environmentally responsible to customers, partners, investors, and
other external organizations (as well as employees).
Considerations
How will your third-party sustainability reporting (such as for CDP and DSJI) be
impacted by the investments you make with your carbon fee fund? If you are investing
some or all of your carbon fee fund into green power to reduce your net emissions, it will be
important to understand how third-party surveys request that you account for these
purchases in your emissions inventory. For example, contractual and location-based
accounting methods are likely to emerge from the soon-to-be-published World Resources
Institute (WRI) Scope 2 accounting guidance. Contractual accounting approaches will factor
green power reductions into emissions, whereas location-based accounting approaches will
be based on a “physical” approach and will not factor in green power reductions. Therefore,
you may be required to report emissions data as gross emissions (location-based approach)
or net emissions (contractual approach); different programs are likely to specify that
organizations report their performance based on one or both of these approaches.
How will your carbon fee investments affect third-party verification of your emissions?
If you currently have your emissions inventory verified by a third party (to support voluntary
or regulatory reporting efforts), how you invest your carbon fee funds to reduce your net
emissions may have an impact on the scope or results of verification. If your investments do
not come with their own verification, that portion of your emissions may be excluded from
your verification statement or may require additional effort to verify.
What opportunities do you have to enhance your organization’s public reports? If
sustainability plays a role in any of your organization’s standard reports, you may wish to
highlight your carbon fee fund investments. For example, in your annual report you could
discuss your investment strategy, and in your citizenship report you could focus on the
impact of those investments.
How can the carbon fee model align with your corporate priorities? If you have an
overall sustainability or citizenship PR plan, your carbon fee strategy may be a valuable
supporting point. There are numerous other opportunities to highlight your sustainability
efforts through the carbon fee and associated investments. For example, you could add
information to your organizational website; publish press releases to announce and provide
updates on your strategy; pursue joint marketing opportunities with the organizations that
you are investing with (such as for carbon offset projects and power purchase agreements
[PPAs]); and participate in speaking engagements.

32.
32 | The Microsoft carbon fee: theory & practice
Microsoft example: Microsoft has reported into CDP for several years; in the year after we
implemented our carbon fee model, we were able to demonstrate an 81.9 percent reduction in
net emissions from emission reduction activities—earning us a place on the Carbon Performance
Leadership Index (CPLI) in 2013. We were able to achieve this reduction through efficiency
measures and our investment in green power using our carbon fee fund. Our green power
investments also earned Microsoft an EPA “Partner of the Year” Green Power Purchaser Award in
both 2012 and 2013.
5E. Plan for the future
With your model up and running, your investments made, and your progress reported, it’s time to
step back and reassess. What’s working? What’s not working? Perhaps you started by implementing
the carbon fee model in a pilot area, or you kept your investment strategy conservative. This is your
opportunity to refine and evolve your approach for maximum value for your organization.
Considerations
When is the best time to evolve your carbon fee model? It’s a worthwhile exercise to
revisit the design and administration of your carbon fee at least annually. However, as with
when you were seeking approval initially (in step 4A), you’ll want to leave enough time to
implement any changes before the next fiscal year. If you allowed six months to design,
socialize, and implement your model initially, you may want to allow the same amount of
time for the refinement process.
Are you achieving your goals with your carbon fee model and investment strategy? Are
there opportunities to improve? Some good questions to ask yourself include:
o Is your emissions-tracking system meeting your requirements? Does it support the level
of reporting and access you require for transparency across your organization?
o Can you get more ambitious with your annual carbon reduction targets?
o Can or should you expand your carbon emissions fee boundary?
o What new investments do you want to consider? Is your investment portfolio achieving
the goals you set out? If not, what might change? This is also a good time to consider
how changes in reporting standards may influence where you invest (for example, can
you use carbon offsets to offset emissions from energy consumption? If you invest in a
power purchase agreement, will this have an impact on how you do your reporting?).
o Do you want to increase your carbon price to raise more funds for investments or
internal efficiency projects?

33.
The Microsoft carbon fee: theory & practice | 33
o What has the response been around your organization to the fee? Are you doing
enough internal communications to keep everyone informed and supportive?
How well is the administration of the fee working? Once you have been through a few
cycles of allocating the carbon fee to groups within your organization, you will be in a
position to identify if there are any opportunities to simplify or automate how you manage
the fee from an operational perspective. This is also a good time to reassess if your cross-
organizational committee is working well (for example, the process for reviewing investment
proposals and the frequency of meetings).
Microsoft example: A year on from when we implemented our carbon fee, we have kept our
internal price on carbon flat and we have kept the core design and administration of our model
the same. However, we are constantly reevaluating our investment strategy. We started by
purchasing US market RECs and carbon offsets, and we are now expanding our portfolio to
include internal efficiency investments, longer term green power PPAs, onsite green power
projects, and other investments.

34.
34 | The Microsoft carbon fee: theory & practice
Conclusion
At Microsoft, we believe that we have a responsibility to
address the environmental impact of the growing energy
demands from our operations, services, and devices. At the
same time, we have an opportunity to demonstrate how
the use of our technology can help accelerate the transition
to a low-carbon economy.
Our carbon fee model supports a culture of innovation and
efficiency at Microsoft. We are taking the initiative in
promoting the efficient use of resources and purchasing
green power, and we hope to set an example by driving
accountability through our internal carbon pricing and
carbon fee model.
Realistically, it would not be possible for us to adopt this
model if it did not benefit the overall productivity and
profitability of our company. The growth of our business,
however, must also incorporate the greater needs of
society. Increasing our efficiency and performance in a
resource-constrained world across all of our operations is
an important part of our efforts to be a better, more socially
minded corporate citizen.
We designed our simple, repeatable model with the hope
of helping private and public organizations to meet their
goals to drive efficiency and demonstrate responsibility and
leadership in their response to climate change. Putting a
price on carbon enables organizations to take a concrete,
measurable approach while driving culture change by inspiring a new level of awareness and
dialogue. It encourages everyone to get involved to drive action.
We hope that the guidance and resources in this paper will set an example of what is possible and
that our approach will inspire other organizations to take similar measures and help reduce global
emissions.
Through internal policies and targeted
initiatives at Microsoft, we:
Are establishing carbon reduction
targets in more than 15 subsidiaries.
Have implemented technology-
enabled energy efficiency projects
that cut costs and carbon emissions
by 6–10 percent across 15 million
square feet of office space at the
Microsoft Redmond campus.
Are investing in 20+ internal energy
efficiency projects around the world.
Have purchased green power at a
scale that led to Microsoft receiving
the US EPA’s Green Power
Partnership as the number two
purchaser in the United States.
Are establishing long-term power
purchase agreements for over 100
megawatts of green power.
Are purchasing carbon credits from
20 projects in 14 countries to support
the development of a low-carbon
economy in emerging nations.

35.
The Microsoft carbon fee: theory & practice | 35
The role of technology in accelerating the transition to a
low-carbon economy
One of the criteria that we use to guide our carbon fee investments is a focus on opportunities to use
technology to accelerate the transition to a low-carbon economy. We believe that to minimize
climate change in the long term, the world needs to make this transition—and technology will play a
critical role.
Some examples of how technology has the potential to make a difference include:
Internet access in remote areas. We are deploying a pilot project with the Kenyan Ministry of
Information and Communications and Kenyan Internet service provider Indigo Telecom Ltd to
deliver low-cost, high-speed wireless broadband in rural areas currently lacking even basic
electricity—creating new opportunities for commerce, education, healthcare, and delivery of
government services across Kenya. The project is the first deployment of solar-powered stations
together with TV white spaces, a technology partially developed by Microsoft Research.
Biodiversity threat mapping. To better understand and support biodiversity, through a
partnership with The International Union for Conservation of Nature (IUCN) and with support from
our own Microsoft Research Connections organization (a division of Microsoft Research dedicated
to worldwide collaborative research) we are creating a web-based mapping application. The
application links species ranges, conservation status, and protected areas and allows experts to
map out threat information and discover threat information compiled by other experts.
Forest preservation and education. One of the carbon offset projects that Microsoft invests in is
the Kasigau Corridor REDD+ Project by Wildlife Works. We are exploring various Microsoft
technologies to optimize their work in the areas of threatened forest protection, at-risk biodiversity
conservation, and sustainable community development in their REDD+ (Reducing Emissions from
Deforestation and Degradation) projects in Kenya and the Democratic Republic of Congo. In forest
and carbon monitoring, Microsoft and Wildlife Works are exploring a vision for improved on-the-
ground technologies that include GPS handheld devices for carbon monitors to navigate to specific
forest plot sites; cloud services to offer an enhanced ability to share and increase security for
carbon stock information; and tablets to optimize operations at field offices, laboratories, and
community outreach. Smartphones and tablets to capture and share data could also assist the
biodiversity monitoring team in tracking movement and expansion, as well as potential threats to
local biodiversity. In education, new systems for broadcasting high-speed Internet are being
explored, as well as equipment implementation and upgrades.
Green power expansion and optimization. Microsoft is working with energy companies
around the world to help them to use IT—and in particular the power of modern data centers
and cloud computing—to develop and operate new green power projects as well as optimize
their current energy generation and transmission assets. Specifically, technology can provide rich

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36 | The Microsoft carbon fee: theory & practice
project reporting with “dashboards” and detailed drill-down capabilities, as well as monitoring
and optimization of real-time capacity, wind speed, faults, market price data, and financial
performance impacts.
Cloud computing. We have redesigned our business around cloud computing, providing
organizations of all sizes and types with the option to take advantage of the efficiencies enabled
by large-scale, centralized data center operations. When organizations move business
applications to the cloud, their energy use and carbon footprint per user reduce by at least 30
percent. To learn more, please see the Cloud computing and sustainability white paper.
Carbon trading. An organization taking advantage of the cloud is the Carbon Trade Exchange
(CTX), The CTX Trading Platform, hosted on the Microsoft cloud, provides real-time trading and
instantaneous clearing and settlement mechanisms for environmental units—such as carbon
credits, renewable energy certificates (RECs), and water allocation rights—making it easier for
businesses of all sizes to invest in sustainable, clean-tech, and energy-efficient projects around
the world in support of a more efficient and low-carbon economy.
Emissions inventory management. Having good data is crucial to measuring a carbon footprint
and managing a carbon fee, and technology plays an important role in tracking and analyzing
that data. Internally, we initially managed our emissions inventory using the Microsoft Office
platform (specifically Microsoft Excel and Microsoft SharePoint). In 2012 we moved to carbon
management software by Envizi, built on the Microsoft cloud platform.
Data center efficiency. IT solutions are increasingly hosted in the cloud. As a result, the energy
consumption from data centers represents a potentially significant source of emissions and are a
prime target for improved efficiency. We are investing in our data centers to reduce the energy
they consume. For example, Microsoft is using air- and water-side economizers to improve
cooling efficiency, as well as more efficient custom LED lighting.
Building efficiency. Together with our worldwide partner network, we are helping cities reduce
their carbon footprint and address climate change by using technology to make buildings
smarter and more efficient. Through CityNext, we hope to help cities take advantage of
technology solutions—ranging from cloud computing to mobile devices to big data—to operate
buildings more efficiently. For example, we are funding a pilot on our own Redmond campus
where we have already saved more than $1.5 million in energy costs through this technology,
and we expect to achieve energy savings of 6–10 percent per year, with an implementation
payback in less than 18 months.

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The Microsoft carbon fee: theory & practice | 37
Our resources
Carbon offsets
The CarbonNeutral Company
http://www.carbonneutral.com
Mark LaCroix, Executive Vice President Business Development (Mark.LaCroix@carbonneutral.com,
Tel: 616-682-4881)
The CarbonNeutral Company is a world-leading provider of carbon reduction and carbon offset
solutions. It works with more than 350 companies in 34 countries to develop offset-inclusive carbon
reduction programs, and since 1997 it has purchased carbon credits from over 250 projects around
the world. Through its offices in London and New York, The CarbonNeutral Company’s global team
combines experience working in international business-to-business (B2B) corporations, carbon
markets and trading, carbon project development, engineering, marketing communications, and
consulting. Executives are on the board of the Climate Markets Investors Association and involved in
the strategic work of the International Carbon Reduction and Offset Alliance (ICROA), and the
company is a signatory to the UN Global Compact. CarbonNeutral is the registered trademark of The
CarbonNeutral Company and is the global standard to certify that businesses have measured and
reduced their CO2 emissions to net zero for their company, products, operations or services.
Emissions tracking technology
Envizi
Robin Baker (robin.baker@envizi.com)
Envizi, a Microsoft cloud services partner, provides distributed data collection and reporting for
carbon emissions inventory management. Envizi is a global provider whose technology is built on the
Microsoft cloud platform. Envizi takes advantage of the efficiencies enabled by cloud computing to
deliver scalable solutions to multinational clients (such as Microsoft).
Emissions inventory management, emissions technology implementation, and
carbon fee administration
WSP USA
Daniel Sobrinski P.E., Senior Project Director (Daniel.sobrinski@wspgroup.com)
WSP provides support with energy management, carbon emissions inventory management, and
carbon fee administration. WSP Sustainability & Energy consultants work with clients to shape
strategic and sustainable approaches to improving business performance and reporting in a carbon-

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conscious economy. WSP Sustainability & Energy engagements help organizations to quantify and
report their carbon emissions and to identify, evaluate, and implement cost-effective means to
achieve carbon reductions.
Messaging and reporting consulting
Murdoch Services
Ken Machtley, Messaging & Reporting Strategy Consultant (v-kenmac@microsoft.com)
Murdoch Services is a consultancy that specializes in marketing strategy and corporate storytelling. It
was part of the team responsible for accelerating the adoption of the carbon fee at Microsoft and
helps the Environmental Sustainability team share its experiences and accomplishments through
external reporting, white papers, presentations, and other communications. The Murdoch Services
team also works on a number of strategic cross-company projects at Microsoft that help shape
perceptions across customers, partners, and employees and drive results for the business.
Renewable Energy Certificates (RECs)
Sterling Planet
Robert A. Maddox, Chief Sustainability Officer (bmaddox@sterlingplanet.com, Tel: 203-266-7973)
Sterling Planet provides REC investing services.
Green power power purchase agreements (PPAs)
Altenex
http://altenex.com
Chris Hayes, Managing Partner (chris.hayes@altenex.com, Tel: 617-517-3209)
Altenex is an energy management network that helps companies source clean energy for their power
portfolios. It helps Microsoft identify and evaluate cost-effective clean energy projects.

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The Microsoft carbon fee: theory & practice | 39
About the author
Tamara ("TJ") DiCaprio is responsible for reducing the global
environmental operational footprint at Microsoft. TJ joined the
Microsoft Environmental Sustainability group in 2010 and since
that time has worked closely with the Environmental
Sustainability, Citizenship, and Finance teams to develop an
internal carbon footprint strategy, establish an internal
governance model, and shape internal corporate carbon
reduction policy direction. She was the chief architect behind
the development and implementation of Microsoft’s carbon
neutral policy and carbon fee model. TJ was recognized by the US Congress and received
the 2013 EPA Individual Climate Leadership Award for her work in establishing bold
mitigation efforts to climate change at Microsoft.
TJ is passionate about finding novel ways to drive accountability for environmental
sustainability. She works closely with both government and non-governmental
organizations such as the Association of Climate Change Officers (ACCO), Bill and Melinda
Gates Foundation, CDP, Environmental Defense Fund (EDF), Environmental Protection
Agency (EPA), United Nations Framework Convention on Climate Change (UNFCC), World
Bank, World Resources Institute (WRI), and World Wildlife Fund (WWF) to gain input and
solicit feedback on her work as well as share best practices. TJ is on the board of directors
for ACCO and co-chair of ACCO’s Women’s Climate Collaborative to help promote the
development of the profession.
To provide feedback or comments on this paper or share your own experiences with
voluntary organizational carbon fees, please contact TJ at tjdicap@microsoft.com and
follow her on Twitter @TJDiCaprio.